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Facile Synthesis of Highly Efficient Phenyltetraene-Based Nonlinear Optical Chromophores for Electrooptics

Jingdong Luo, Yen-Ju Cheng, Tae-Dong Kim, Steven Hau, Sei-Hum Jang, Zhengwei Shi, Xing-Hua Zhou, Alex K-Y. Jen*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

A facile synthetic route has been developed to convert an electron-rich, sterically hindered dialkylaminodienone into a conjugated dialkylaminotrienal with good yield. The derived dialkylaminotetraene-type nonlinear optical chromophores possess an all-trans conformation and can be functlonalized with fluoro-dendron to provide proper shape modification for poling. Polymers doped with two examples of these chromophores in high concentrations have been poled to afford ultra-large electrooptic coefficients (r33) of 208 and 262 pm/V, respectively, at the measuring wavelength of 1.31 μm.
Original languageEnglish
Pages (from-to)1387-1390
JournalOrganic Letters
Volume8
Issue number7
Online published11 Mar 2006
DOIs
Publication statusPublished - 30 Mar 2006
Externally publishedYes

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